Erythrocytes swell or shrink rapidly in response to changes in the osmolarity of the blood by moving water molecules through plasma membrane channels call aquaporins (aqp). aqp1 is a tetramer that consists of four identical monomers, each of which has a transmembrane pore. a human erythrocyte has approximately 2 × 105 aqp1 monomers and a total volume of 5 × 10–11 ml. water molecules flow through the plasma membrane at a rate of 5 × 108 molecules per aqp1 tetramer per second.
calculate the number of water molecules in an erythrocyte. assume that the erythrocyte consists entirely of water. calculate the amount of time that it takes for the erythrocyte to lose half of its volume of water when it encounters the high osmolarity (1 m) in the interstitial fluid of the renal medulla.
Answers: 2
Chemistry, 21.06.2019 18:00, FloweyFlower
Aballoon inflated with three breaths of air has a volume of 1.7 l. at the same temperature and pressure, what is the volume of the balloon if five more same-sized breaths are added to the balloon? a balloon inflated with three breaths of air has a volume of 1.7 l. at the same temperature and pressure, what is the volume of the balloon if five more same-sized breaths are added to the balloon?
Answers: 3
Chemistry, 22.06.2019 05:20, jtingley0502
Temperature is _related to the average kinetic energy of a gas. inversely directly not disproportionally
Answers: 1
Chemistry, 22.06.2019 12:10, kaitlynbernatz2778
If a molecule with a molecular formula of c13h18 is treated with an excess of h2 in the presence of finally divided pt metal under conditions required for maximum hydrogenation of the molecule to give a molecule with a formula c13h24, how many rings are in the molecule?
Answers: 3
Chemistry, 22.06.2019 17:00, destinyycooper
What is the approximate vapor pressure when the gas condenses at 70 degrees celsius
Answers: 2
Erythrocytes swell or shrink rapidly in response to changes in the osmolarity of the blood by moving...
Mathematics, 16.09.2019 09:50
Mathematics, 16.09.2019 09:50
Mathematics, 16.09.2019 09:50